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  conversion screen
     Study on Spatial Resolution of Luminescent Glasss Conversion Screen
     发光玻璃转换屏空间分辨率研究
短句来源
     To the question of demands of the subject, the author put forward the project that develop the high performance digital imaging system (we named inspector) based on high resolution scintillation conversion screen and scientific grade camera.
     然后针对课题的要求,提出了研制基于高分辨率闪烁晶体转换屏和科学级CCD相机的高性能数字成像系统(内视仪)。
短句来源
     Therefore, ultraviolet signal can be converted effectively into visible light sfgnal utilizing this conversion screen.
     因此,利用此转换屏可以高效地将紫外光信号转换为可见光信号。
短句来源
     The Develop of Conversion Screen from UV to Visible in UV Detecting System
     紫外检测系统中紫外可见转换屏的研制
短句来源
     Inspire spectrum, emission spectrum, conversion efficiency, peak value wavelength of different fluorescence powder were analyzed and compared. It was brought forward that using Zn2SiO4 : Mn fluorescence powder as radiation and using optical fiber panel as floor. By adopting coat technology, conversion screen that can convert ultraviolet signal into visible light signal was developed.
     分析比较了不同荧光粉的激发光谱、发射光谱、转换效率、峰值波长等特性,提出以二价锰激活的硅酸锌Zn2SiO4荧光粉为荧光粉层,以光学纤维面板为基底,采用刷涂技术,研制了一种可以将紫外光信号转换为可见光信号的转换屏,并实验测量了其转换效率和余辉。
短句来源
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  transform screen
     A DESIGN AND THE PROPERTIES OF A PHOSPHOR TRANSFORM SCREEN FOR FLASH X-RAY HIGH SPEED PHOTOGRAPHY
     闪光X射线高速摄影荧光转换屏的设计和性质研究
短句来源
     To satisfy the need of X-ray sensitive image sensor with small dimension,high resolution,two kinds of X-ray sensitive image sensors which use ICCD as detectors were developed. One was composed of CCD with fiber panel window,Igeneration image intensifier,X-ray transform screen with thin mica substrate,efficient working area of the sensor was 6.4 mm×4.8 mm.
     为了满足小幅面,高分辨率X射线敏感图像传感器的需求,研制了两种采用ICCD的X射线敏感图像传感器,一种由带光纤面板窗口的CCD、Ⅰ代像增强器、以薄云母为衬底的X射线转换屏构成,工作面积为6.4 mm×4.8 mm;
短句来源
     The other was composed of CCD with fiber cone window,II-generation image intensifier,X-ray transform screen with fiber panel substrate,its efficient working area was 12.8 mm×9.6 mm.
     另一种由带光纤锥窗口的CCD、Ⅱ代像增强器、以光纤面板为衬底的X射线转换屏构成,有效工作面积为12.8 mm×9.6 mm。
短句来源
     A design and a study of theproperties ofaphosphor transfOrm screen are reported,it isused for the high speed photography of middle ballistics,The absorption coefficient of X-ray,theluminous efficiency and the correlation of the fluorescence spectrum with the sensitivity of S 20 arestudied.
     本文描述了用于中间弹道高速摄影荧光转换屏的设计特点、性能测试和实验结果。 文中讨论了Gd2O2S:Tb和(Zn,Cd)S对X射线的吸收系数、发光效率以及荧光光谱与变象管S—20阴极光谱灵敏度曲线相匹配的相关曲线;
短句来源
  “转换屏”译为未确定词的双语例句
     INFLUENCE OF CONGLUTINATION OF CsI∶Na COLUMNS ON THE RESOLUTION PROPERTIES
     晶柱粘连对CsI∶Na转换屏分辨特性的影响
短句来源
     By choosing the ISD017AP type CCD, the refrigeration circuts, and driving circuits of CCD, A/D conversion circuit, the quick data acquisition circuits using the EPP mode of computer were designed. The slow scan and high resolution CCD camera and its image acquisition device applying to X ray digital testing is developed.
     通过选择ISD0 17AP型化妆品级CCD芯片和分析其主要性能 ,设计微光高分辨率制冷CCD相机的制冷电路 ,驱动时钟电路 ,输出信号A/D转换电路及微机EPP(增强并行口 )方式快速数据采集电路 ,研制X射线数字成像检测中慢扫描、高分辨率制冷CCD相机和图像采集装置 ,并和射线转换屏、光学系统等组成X射线数字成像系统。
短句来源
     A model for the fluorescence escape efficiency of CsI:Na(CsI:Tl) phosphor is proposed,and the converting factor of CsI:Na(CsI:Tl) to X-rays is discussed in detail.
     在建立模型的基础上 ,较为全面地分析了CsI:Na(CsI:Tl)X射线转换屏的荧光透过率及对X射线的转换因子 ,明确了转换因子与X光子能量、转换屏厚度、衬底反射率、荧光吸收系数之间的函数关系 .
短句来源
     Study of scintillator resolution in radiography system
     辐射照相系统中转换屏的分辨率研究
短句来源
     Using the characteristics of electron trapping material (ETM) for the rapid infrared upconversion, a kind of novel combined infrared photocathode was made by coupling ETM based infrared upconversion screen with visible photocathode. The present experiment showed that the combined photocathode is able to extend spectral sensitivity to 0.8 ̄1.6μm and make time resolution better than 24ps, and minimum detectable energy density less than 4.8×10 9 J/mm 2.
     利用电子俘获材料的快速红外上转换特性,将其制成红外上转换屏与可见光阴极耦合构成了一种适用于条纹相机的新型组合红外阴极,测量表明:它能将可见光条纹相机的波长响应范围延伸至0.8~1.6μm,而且时间分辨率优于24ps、红外最小可探测能量密度优于4.8×10-9J/mm2.
短句来源
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A design and a study of theproperties ofaphosphor transfOrm screen are reported,it isused for the high speed photography of middle ballistics,The absorption coefficient of X-ray,theluminous efficiency and the correlation of the fluorescence spectrum with the sensitivity of S 20 arestudied.And the relative luminosity,the spatial resolution and the afterglow are measured.It’sexperimentally shown that the luminosity of this screen is about 60 times higher than that of CaWO4screen. The spatial resolutin is 51p/mm...

A design and a study of theproperties ofaphosphor transfOrm screen are reported,it isused for the high speed photography of middle ballistics,The absorption coefficient of X-ray,theluminous efficiency and the correlation of the fluorescence spectrum with the sensitivity of S 20 arestudied.And the relative luminosity,the spatial resolution and the afterglow are measured.It’sexperimentally shown that the luminosity of this screen is about 60 times higher than that of CaWO4screen. The spatial resolutin is 51p/mm and the afterglow is 8μs. From the multiframing photograph,itcan be seen that there isn’t tailing phenomena of the first image in the second image,this transformscreen is practical in the high speed photography of middle ballistics.

本文描述了用于中间弹道高速摄影荧光转换屏的设计特点、性能测试和实验结果。文中讨论了Gd2O2S:Tb和(Zn,Cd)S对X射线的吸收系数、发光效率以及荧光光谱与变象管S—20阴极光谱灵敏度曲线相匹配的相关曲线;测试了转换屏的相对发光强度、分辨率及其余辉。实验证明本屏发光亮度比钨酸钙屏高60倍左右,屏分辩率达51p/mm,余辉时间为8μs,多幅摄影结果证明第一幅的图象对第二幅照片无“拖尾”现象,本屏已达到了中间弹道高速摄影转换屏的实用水平。

The intensity spectral line curve of x ray converter is very important in x ray radiography.This experiment analyzes the fluorescence spectrum produced by No.4 high power x ray converter under x ray illumination.The spectral line diagram and the scanned intensity spectral line curve are given in the paper.The experimental results are analyzed.

X光转换屏的强度 -谱线曲线对闪光照相具有重要意义。本实验对 4号高能 X光转换屏在 X光照射下所发荧光光谱作了分析 ,文中给出了谱线图 ,以及扫描出的强度 -谱线曲线 ,并对实验结果作了分析

The interaction process of bremsstrahlung X rays with CsI: Na fluorescent screen has been simulated with the Monte Carlo method in this paper. The angular distributions of the scattered X rays and the spectrum distributions of forward exit photons are presented,which show that the primary fraction of the scattered radiation is the characteristic radiation of CsI: Na with the energies of 33.17and 35. 98keV. Moreover, the dependence of the absorption properties on the tube voltage and the thickness of CsI: Na...

The interaction process of bremsstrahlung X rays with CsI: Na fluorescent screen has been simulated with the Monte Carlo method in this paper. The angular distributions of the scattered X rays and the spectrum distributions of forward exit photons are presented,which show that the primary fraction of the scattered radiation is the characteristic radiation of CsI: Na with the energies of 33.17and 35. 98keV. Moreover, the dependence of the absorption properties on the tube voltage and the thickness of CsI: Na screen has been described.

本文用MonteCarlo方法模拟了轫致辐射X光子与CsI:Na转换屏的作用过程.给出了正向散射光子的角分布以及正向出射光子的能谱分布,指出正向散射光子的主要成分是CsI:Na的特征辐射光子,其能量为33.17和35.98keV.此外,还对吸收光子数与管电压和CsI:Na层厚度的关系进行了说明.

 
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